package com.day02.ex02;

public class IfDemo2 {
    public static void main(String[] args) {
        System.out.println("程序开始");
        int a=10;
        int b=20;
        b=5;
        if(a>b){
            System.out.println("a大于b");
        }else{
            System.out.println("a小于b");
        }
        System.out.println("程序结束");
    }
}
